217623511

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3319}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 286848000

約数和(自身を除く): 69224489

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 323, 493, 551, 2261, 3319, 3451, 3857, 9367, 23233, 56423, 63061, 65569, 96251, 394961, 441427, 673757, 1072037, 1636267, 1828769, 7504259, 11453869, 12801383, 31089073, 217623511]

約数ペア:

[(1, 217623511), (7, 31089073), (17, 12801383), (19, 11453869), (29, 7504259), (119, 1828769), (133, 1636267), (203, 1072037), (323, 673757), (493, 441427), (551, 394961), (2261, 96251), (3319, 65569), (3451, 63061), (3857, 56423), (9367, 23233)]